V2EX oxidative burst

Oxidative Burst

Definition / 定义

氧化爆发(又称“呼吸爆发”):指免疫细胞(如中性粒细胞、巨噬细胞)在识别并吞噬病原体后,短时间内迅速产生大量活性氧(ROS)(如超氧阴离子、过氧化氢等)的过程,用于杀灭微生物与参与炎症信号。植物细胞在防御反应中也可发生类似的氧化爆发。

Pronunciation / 发音

/k.sde.tv bst/

Examples / 例句

Neutrophils use an oxidative burst to kill bacteria.
中性粒细胞会通过氧化爆发来杀死细菌。

After phagocytosis, the cell triggers an oxidative burst that generates reactive oxygen species, helping control infection but potentially damaging surrounding tissue if excessive.
吞噬发生后,细胞会启动氧化爆发并产生活性氧,这有助于控制感染,但若反应过强也可能损伤周围组织。

Etymology / 词源

oxidative 来自 oxidize(使氧化)+ 形容词后缀 -ative,表示“与氧化有关的”。burst 源自古英语 berstan,意为“破裂、突然爆发”。合起来直译就是“与氧化有关的爆发”,形象描述了ROS在短时间内骤增的现象。

Related Words / 相关词

Literary Works / 文学作品

  • Janeway’s Immunobiology(《简明免疫生物学》):在先天免疫与吞噬细胞杀菌机制中讨论氧化爆发/呼吸爆发。
  • Cellular and Molecular Immunology(Abbas 等,《细胞与分子免疫学》):介绍NADPH氧化酶、ROS与吞噬细胞的杀菌通路。
  • Babior, B. M. 的经典综述与论文(如关于 respiratory burst oxidase 的研究):免疫学与临床研究中频繁使用“oxidative burst”来描述吞噬细胞的ROS生成过程。
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